Name 

Description 

Primary Expression Operators 

For ANSI C, the primary expressions are literal (also sometimes referred to as constant), identifier, and ( expression ). The C++ language extends this list of primary expressions to include the keyword this, scope resolution operator ::, name, and the class destructor ~ (tilde).
The primary expressions are summarized in the following list.
primary-expression:

1. literal this (C++ specific)
2. :: identifier (C++ specific)
3. :: operator-function-name (C++ specific)
4. :: qualified-name (C++ specific)
5. ( expression) name

literal:

1. integer-constantcharacter-constant
2. floating-constant
3. string-literal

name:

1. identifieroperator-function-name (C++ specific)
2. conversion-function-name (C++ specific)
3. ~ class-name (C++ specific)
4. qualified-name (C++ specific)

qualified-name: (C++ specific)
qualified-class-name :: name
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